Merge pull request #278 from epasveer/266-mouse-hover-doesnt-display-variable-value-reliably

266 mouse hover doesnt display variable value reliably

CHANGELOG.md

@@ -27,6 +27,8 @@
 * Fixed regression when adding commands to a breakpoint.
 * Refactored/improved Printpoints. Added 'help' to the
   Printpoint create dialog.
+* Fixed regression when display variable value when hovering over
+  the text in the editor window.
 
 ## [2.4] - 2024-03-18
 * Changed main icon to a more license friendly one.

src/SeerEditorWidgetSource.h

@@ -132,6 +132,8 @@ class SeerEditorWidgetSourceArea : public SeerPlainTextEdit {
         void                                        contextMenuEvent                    (QContextMenuEvent* event);
         void                                        mouseReleaseEvent                   (QMouseEvent* event);
         bool                                        event                               (QEvent* event);
+        void                                        showExpressionTooltip               ();
+        void                                        hideExpressionTooltip               ();
 
     private slots:
         void                                        refreshExtraSelections              ();

src/SeerEditorWidgetSourceAreas.cpp

@@ -509,14 +509,7 @@ bool SeerEditorWidgetSourceArea::event(QEvent* event) {
             QString word = cursor.selectedText();
 
             if (word.isEmpty() == true) {
-
-                QToolTip::hideText();
-
-                _selectedExpressionCursor   = QTextCursor();
-                _selectedExpressionPosition = QPoint();
-                _selectedExpressionName     = "";
-                _selectedExpressionValue    = "";
-
+                hideExpressionTooltip();
                 break;
             }
 
@@ -526,19 +519,30 @@ bool SeerEditorWidgetSourceArea::event(QEvent* event) {
                 // Same word as before? Display the tooltip value.
                 if (word == _selectedExpressionName) {
 
-                    QToolTip::showText(helpEvent->globalPos(), _selectedExpressionName + ": " + Seer::elideText(_selectedExpressionValue, Qt::ElideRight, 100));
+                    // If the tooltip is already visible, refreshen it with
+                    // the same value, possibly at a new postion.
+                    if (QToolTip::isVisible()) {
+                        _selectedExpressionPosition = helpEvent->globalPos();
+
+                        showExpressionTooltip();
+
+                    // If not already visible, refreshen its value.
+                    }else{
+                        emit evaluateVariableExpression(_selectedExpressionId, _selectedExpressionName); // For the tooltip.
+                    }
 
                 // Otherwise, hide any old one.
                 }else{
-                    QToolTip::hideText();
+                    hideExpressionTooltip();
                 }
 
             // Otherwise it's a different spot. Create a new request to get the variable's value.
             }else{
-                QToolTip::hideText();
+
+                hideExpressionTooltip();
 
                 _selectedExpressionCursor   = cursor;
-                _selectedExpressionPosition = helpEvent->pos();
+                _selectedExpressionPosition = helpEvent->globalPos();
                 _selectedExpressionName     = word;
                 _selectedExpressionValue    = "";
 
@@ -555,6 +559,24 @@ bool SeerEditorWidgetSourceArea::event(QEvent* event) {
     return QPlainTextEdit::event(event);
 }
 
+void SeerEditorWidgetSourceArea::showExpressionTooltip () {
+
+    // qDebug() << "Tooltip:" << _selectedExpressionPosition << _selectedExpressionName << _selectedExpressionValue;
+
+    QToolTip::hideText();
+    QToolTip::showText(_selectedExpressionPosition, _selectedExpressionName + ": " + Seer::elideText(_selectedExpressionValue, Qt::ElideRight, 100));
+}
+
+void SeerEditorWidgetSourceArea::hideExpressionTooltip () {
+
+    QToolTip::hideText();
+
+    _selectedExpressionCursor   = QTextCursor();
+    _selectedExpressionPosition = QPoint();
+    _selectedExpressionName     = "";
+    _selectedExpressionValue    = "";
+}
+
 void SeerEditorWidgetSourceArea::refreshExtraSelections () {
 
     //
@@ -1744,6 +1766,8 @@ void SeerEditorWidgetSourceArea::handleText (const QString& text) {
         if (id_text.toInt() == _selectedExpressionId) {
 
             _selectedExpressionValue = Seer::filterEscapes(Seer::parseFirst(text, "value=", '"', '"', false));
+
+            showExpressionTooltip();
         }
 
         return;

src/SeerMainWindow.cpp

@@ -885,6 +885,26 @@ void SeerMainWindow::handleText (const QString& text) {
             return;
         }
 
+        if (msg_text.startsWith("\"A syntax error in expression, near")) {
+            return;
+        }
+
+        if (msg_text.startsWith("\"Invalid character ")) {
+            return;
+        }
+
+        if (msg_text.startsWith("\"No symbol ")) {
+            return;
+        }
+
+        if (msg_text.startsWith("\"Problem parsing arguments: data-evaluate-expression")) {
+            return;
+        }
+
+        if (msg_text == "\"Attempt to use a type name as an expression\"") {
+            return;
+        }
+
         gdbWidget->addMessage(Seer::filterEscapes(msg_text), QMessageBox::Warning);
 
         return;